script.aculo.us

• scriptaculous.js
  
• Built on Prototype

<script type="text/javascript" src="prototype.js"></script>
<script type="text/javascript" src="scriptaculous.js?load=..."></script>

• The load parameter is a comma-separated list of the following: builder,effects,dragdrop,controls,slider (each of which corresponds to a separate .js file)